CN100413360C - Method for preventing illegally use of mobile communication terminal - Google Patents

Abstract

The present invention discloses a technique of preventing the illegally copying and using the mobile communication terminal with electronic serial number. The present invention is realized by the following procedures: the first procedure, recording the serial number which is same to the serial number storing in the nonvolatile semiconductor memory zone at certain area of the flash memory, and putting it on the market after it has been permanently locked; the second procedure, when the electronic serial number storing in the nonvolatile semiconductor memory zone is reregistered, comparing the new-recording electronic serial number to the electronic serial number in the flash memory, to confirm whether the two numbers are same; the third procedure, after the confirming result, if the two serial numbers do not accord to each other, transmitting the two different electronic serial numbers to the network end and taking required measures. Using the invention it can definitely prevent the illegally using based on the copying the electronic serial numbers of the terminal.

Description

A kind of method that prevents from illegally to use mobile communication terminal

Technical field

The present invention relates to a kind of technology that prevents bootlegging use mobile communication terminal, more specifically, relate to writing down new Electronic Serial Number and prevented, a kind of method of illegally using that prevents from illegally to use mobile communication terminal of behavior for it after the illegal reading terminals.

Background technology

In recent years, along with the rapid raising of the diffusion rate of mobile phones, it had become modern's life necessary article.This mobile phone not only can provide original voice call service, but also various data delivery service and other various Additional Services can be provided, and according to its function, also can be referred to as multimedia telecom equipment.

Situation for the CDMA terminal, in communication network, authenticate based on Electronic Serial Number (ESN:ElectronicSerial Number) and IMSI (MIN:Mobile Identification Number), when illegally having read terminal, if the original ESN of deletion record in its non-volatile (NV:Non-Volatile) zone, and when writing new record, can allow illegally to obtain taker and use.

As mentioned above, the problem that exists in the terminal in the prior art is, for deletion record in the NV district original ESN zone and write the behavior of new record, prevent countermeasure accordingly because of not possessing, thereby can't in network, search out the terminal of this bootlegging.

Summary of the invention

Therefore, the purpose that proposes technical problem to be solved by this invention is, a kind of method that prevents from illegally to use mobile communication terminal is provided, in the terminal production phase is that flash memory area is provided with a permanent not deleted zone, record is different from the terminal ESN in original NV district, and utilizes it to search out the method for the terminal of bootlegging.

For achieving the above object, the invention provides a kind of method that prevents from illegally to use mobile communication terminal, its characteristics are, comprise the steps: step 10, the Electronic Serial Number of the described mobile communication terminal of record in non-volatile area; Step 11 writes down with the identical Electronic Serial Number of described Electronic Serial Number that is stored in the non-volatile memory in certain zone of flash memory separately, and the Electronic Serial Number that is recorded in the flash memory is carried out going on the market after the permanent locking processing; Step 12 judges whether new Electronic Serial Number is arranged in the described non-volatile area; Step 13 if new Electronic Serial Number is arranged, then compares described new Electronic Serial Number and the Electronic Serial Number in the described flash memory, confirms whether both are identical; Step 14 through above-mentioned affirmation result, if two Electronic Serial Numbers are internally inconsistent, is with the illegal recording operation that uses to purpose with the described operation judges that has write down Electronic Serial Number in non-volatile area then; Step 15, judge and above-mentionedly use with illegal whether the recording operation as purpose is to enter into service area from non-server first, if first, then that enters service area first from non-service area in terminal constantly is recorded in new Electronic Serial Number in the non-volatile area and the Electronic Serial Number in the flash area sends network terminal to described; Step 16, described network terminal are interrupted the service of corresponding terminal after receiving described mutually different two Electronic Serial Numbers.

The above-mentioned method that prevents from illegally to use mobile communication terminal, its characteristics are, in step 15, when sending two Electronic Serial Numbers to network terminal, adopt the SMS messaging mode to transmit.

The above-mentioned method that prevents from illegally to use mobile communication terminal, its characteristics are, the receiving number of SMS messaging is appointed as particular number transmits afterwards.

Adopt the present invention, in the terminal production phase is that flash memory area is provided with a permanent not deleted zone, record is different from the terminal ESN in original NV district, and utilize it to detect the behavior of illegally writing down terminal ESN again, can clearly prevent to duplicate and the effect illegally used thereby reached based on terminal ESN.

Description of drawings

Fig. 1 is the flash memory format chart that has shown Electronic Serial Number record example among relevant the present invention;

Fig. 2 relevant prevents from illegally to use the mobile communication method processing procedure signal flow graph at end based on of the present invention.

Wherein, Reference numeral:

1: flash memory (flash memory)

Embodiment

Below in conjunction with accompanyingdrawing 1 and accompanying drawing 2, for having among the present invention who as above constitutes for preventing that the process of illegally using mobile communication terminal to carry out respective handling from describing.

In the mobile communication terminal production process, be the Electronic Serial Number (ESN) (step S1) of non-volatile (NV:Non-Volatile) regional record terminal.

As showing among Fig. 1, be different from this record, in a district of flash memory 1 (for example: Sector#0) write down above-mentioned Electronic Serial Number (ESN).And, with the zone (Sector#0) of above-mentionedflash memory 1 even if be appointed as the situation that runs into all softwares in the deletion terminal and download again, also will permanent not deleted zone (step S2, S3).

After this, the terminal listing also is sold to after the user, and the user will begin to utilize this terminal, at this moment, because certain reason, when in above-mentioned NV district, writing down new terminal ESN, with the ESN of this new record be recorded in ESN in above-mentionedflash memory 1 district (Sector#0) compare (step S4, S5).

Through above-mentioned comparative result, if when two ESN are consistent, the operation judges that will write down terminating machine ESN in above-mentioned NV district is normal recording operation, does not take other any measure (step S6).

But according to above-mentioned comparative result, if when two ESN are internally inconsistent, the operation judges that will write down terminal ESN in above-mentioned NV district is for the illegal recording operation that uses to purpose.At this moment, for this situation, when terminal enters service area in a flash first from non-service area, utilize SMS (Short MessageService) note will be recorded in above-mentionedflash memory 1 district (Sector#0) interior ESN and the ESN of new record in the NV district and send to network terminal simultaneously.At this moment, the receiving number of above-mentioned SMS messaging is appointed as particular number and is transmitted (step S7-S9) afterwards.

Therefore, when above-mentioned network terminal receives mutually different ESN by above-mentioned SMS messaging, can identify corresponding terminal by in illegal the use, and interrupt respective service, adopt measures necessary (step S10).

As above detailed description, by the present invention, in the terminal production phase is that flash memory area is provided with a permanent not deleted zone, record is different from the terminal ESN in original NV district, and utilize it to detect the behavior of illegally writing down terminal ESN again, can clearly prevent to duplicate and the effect illegally used thereby reached based on terminal ESN.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (3)

1. a method that prevents from illegally to use mobile communication terminal is characterized in that, comprises the steps:

Step 10, the Electronic Serial Number of the described mobile communication terminal of record in non-volatile area;

Step 11 writes down with the identical Electronic Serial Number of described Electronic Serial Number that is stored in the non-volatile memory in certain zone of flash memory separately, and the Electronic Serial Number that is recorded in the flash memory is carried out going on the market after the permanent locking processing;

Step 12 judges whether new Electronic Serial Number is arranged in the described non-volatile area;

Step 13 if new Electronic Serial Number is arranged, then compares described new Electronic Serial Number and the Electronic Serial Number in the described flash memory, confirms whether both are identical;

Step 14 through above-mentioned affirmation result, if two Electronic Serial Numbers are internally inconsistent, is with the illegal recording operation that uses to purpose with the described operation judges that has write down Electronic Serial Number in non-volatile area then;

Step 15, judge and above-mentionedly use with illegal whether the recording operation as purpose is to enter into service area from non-server first, if first, then that enters service area first from non-service area in terminal constantly is recorded in new Electronic Serial Number in the non-volatile area and the Electronic Serial Number in the flash area sends network terminal to described;

Step 16, described network terminal are interrupted the service of corresponding terminal after receiving described mutually different two Electronic Serial Numbers.

2. a kind of method that prevents from illegally to use mobile communication terminal according to claim 1 is characterized in that, in step 15, when sending two Electronic Serial Numbers to network terminal, adopts the SMS messaging mode to transmit.

3. according to a kind of method that prevents from illegally to use mobile communication terminal described in the claim 2, it is characterized in that, the receiving number of SMS messaging is appointed as particular number transmits afterwards.

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